نتایج جستجو برای: phase identification

تعداد نتایج: 994632  

2009
Stefan Goetze Markus Kallinger Alfred Mertins Karl-Dirk Kammeyer

Equalization of room impulse responses is an attractive approach for dereverberation of speech signals in a hands-free scenario. In this contribution we address the choice of the delay which has to be introduced in leastsquares equalization approaches for a maximum amount of dereverberation. Since designing one equalizer (EQ) for each possible delay and choosing the best one is computationally ...

Journal: :Stud. Inform. Univ. 2004
João W. Cangussu Kendra Cooper W. Eric Wong

Run-time dynamic adaptation is becoming a required feature for many different types of applications due to the overall complexity and distinction of environments where these applications run. SMART (State Model Adaptive Run Time), a new framework for the design of these adaptive systems, is presented here. SMART is based on the mathematics of control theory and system identification techniques ...

Journal: :MONET 2014
Yafeng Yin Lei Xie Sanglu Lu Daoxu Chen

With the rapid proliferation of RFID technologies, RFID has been introduced to the applications like safety inspection and warehouse management. Conventionally a number of deployment rules are specified for these applications. This paper studies a practically important problem of rule checking over RFID tags, i.e., checking whether the specified rules are satisfied according to the RFID tags wi...

2008
Mahmoud Ashry Usama Abou-Zayed Tim Breikin

In this paper, a modified local optimal control approach is proposed for multivariable systems. As for unknown plant dynamics, system identification must be performed to obtain a model based on which the local optimal controller is designed and implemented. The proposed method guarantee closed loop stability characteristic when dealing with non-minimum phase plant which is a considerable advant...

2009
Stefan Goetze Markus Kallinger Alfred Mertins Karl-Dirk Kammeyer

Equalization of room impulse responses is an attractive approach for dereverberation of speech signals in a hands-free scenario. In this contribution we address the choice of the delay which has to be introduced in leastsquares equalization approaches for a maximum amount of dereverberation. Since designing one equalizer (EQ) for each possible delay and choosing the best one is computationally ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان تهران - دانشکده زبانهای خارجی 1393

the purpose of this study was to examine the english language needs of medical students at tehran university of medical sciences . analysis of the needs took place for three groups: 320 undergraduate students, 30 postgraduate students and 20 university instructors. a triangulation approach to collect data was used in which a combination of the quantitative (using the questionnaires) and qualita...

2011
Padmaja Kankipati Alicia Koontz Alejandra Vega Yen-Sheng Lin

INTRODUCTION The ability to perform sitting pivot transfers (SPTs’) amongst people with Spinal Cord Injury (SCI) is a crucial factor in the maintenance of an independent and high functioning lifestyle [1]. This high reliance on the upper arms to lift and support the weight of the body throughout the transfer is partially responsible for the high prevalence of shoulder pain [2]. In order to obta...

2007
S. Safi A. Zeroual

In this paper we propose a family of algorithms based on 3 and 4 order cumulants for blind single-input single-output (SISO) Non-Minimum Phase (NMP) Finite Impulse Response (FIR) channel estimation driven by non-Gaussian signal. The input signal represents the signal used in 10GBASE-T (or IEEE 802.3an-2006) as a Tomlinson-Harashima Precoded (THP) version of random Pulse-Amplitude Modulation wit...

Journal: :IEICE Transactions 2010
Longbiao Wang Kazue Minami Kazumasa Yamamoto Seiichi Nakagawa

In this paper, we investigate the effectiveness of phase for speaker recognition in noisy conditions and combine the phase information with mel-frequency cepstral coefficients (MFCCs). To date, almost speaker recognition methods are based on MFCCs even in noisy conditions. For MFCCs which dominantly capture vocal tract information, only the magnitude of the Fourier Transform of time-domain spee...

2008
Luciano De Tommasi Dirk Deschrijver Tom Dhaene

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